fig2
![Photodynamic therapy mediated immune therapy of brain tumors](https://image.oaes.cc/547b1532-9e38-4bdb-a4aa-ffd81ebb388f/2671.fig.2.png)
Figure 2. Ex vivo generated PDT-APC vaccine. (1) APC (DC/Ma) precursors obtained from donor animal; (2) cultured alone in vitro resulting in naïve APC; (3) ex vivo PDT treatment of tumor cells; (4) co-culture in vitro of treated tumor cells with naïve APC resulting in activated APC; (5) intra-cranial inoculation of glioma cells into the brain; (6) immunization with activated APC. APC: antigen presenting cell; PDT: photodynamic therapy; PS: photosensitizer